Complex strain paths in polycrystalline copper: microstructural aspects
Microstructural aspects of polycrystalline copper sheets subjected to complex strain paths were analysed in this work. Dislocation structures developed during the strain paths (rolling and tension) and the evolution of this microstructure during reloading have been studied. The active slip systems d...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
1999-07-01
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| Series: | Materials Research |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14391999000300012 |
| _version_ | 1811323850064920576 |
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| author | M.F. Vieira J.V. Fernandes |
| author_facet | M.F. Vieira J.V. Fernandes |
| author_sort | M.F. Vieira |
| collection | DOAJ |
| description | Microstructural aspects of polycrystalline copper sheets subjected to complex strain paths were analysed in this work. Dislocation structures developed during the strain paths (rolling and tension) and the evolution of this microstructure during reloading have been studied. The active slip systems developed in each strain path were used to explain the microstructural evolution. The heterogeneous surface deformation observed on polished tensile specimens prestrained in rolling was also analysed. The structural aspects are related with the mechanical behaviour of the material, namely with the increase in yield stress in reloading, the work hardening evolution and the premature occurrence of plastic instability for some prestrain values. |
| first_indexed | 2024-04-13T14:02:46Z |
| format | Article |
| id | doaj.art-005f73f846b24df5b964d2cbccc28bd8 |
| institution | Directory Open Access Journal |
| issn | 1516-1439 |
| language | English |
| last_indexed | 2024-04-13T14:02:46Z |
| publishDate | 1999-07-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj.art-005f73f846b24df5b964d2cbccc28bd82022-12-22T02:43:59ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14391999-07-012318518910.1590/S1516-14391999000300012Complex strain paths in polycrystalline copper: microstructural aspectsM.F. VieiraJ.V. FernandesMicrostructural aspects of polycrystalline copper sheets subjected to complex strain paths were analysed in this work. Dislocation structures developed during the strain paths (rolling and tension) and the evolution of this microstructure during reloading have been studied. The active slip systems developed in each strain path were used to explain the microstructural evolution. The heterogeneous surface deformation observed on polished tensile specimens prestrained in rolling was also analysed. The structural aspects are related with the mechanical behaviour of the material, namely with the increase in yield stress in reloading, the work hardening evolution and the premature occurrence of plastic instability for some prestrain values.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14391999000300012complex strain pathsmicrostructural aspectsplastic instability |
| spellingShingle | M.F. Vieira J.V. Fernandes Complex strain paths in polycrystalline copper: microstructural aspects Materials Research complex strain paths microstructural aspects plastic instability |
| title | Complex strain paths in polycrystalline copper: microstructural aspects |
| title_full | Complex strain paths in polycrystalline copper: microstructural aspects |
| title_fullStr | Complex strain paths in polycrystalline copper: microstructural aspects |
| title_full_unstemmed | Complex strain paths in polycrystalline copper: microstructural aspects |
| title_short | Complex strain paths in polycrystalline copper: microstructural aspects |
| title_sort | complex strain paths in polycrystalline copper microstructural aspects |
| topic | complex strain paths microstructural aspects plastic instability |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14391999000300012 |
| work_keys_str_mv | AT mfvieira complexstrainpathsinpolycrystallinecoppermicrostructuralaspects AT jvfernandes complexstrainpathsinpolycrystallinecoppermicrostructuralaspects |